Updating gradle wrapper validator

Author: Evanthx

.github/workflows/ci.yml

@@ -8,8 +8,8 @@ jobs:
     name: "Gradle wrapper validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: gradle/wrapper-validation-action@v3
+      - uses: actions/checkout@v6
+      - uses: gradle/actions/wrapper-validation@v5
 
   unittest:
     name: Unit Tests